2005•Hunan Electric PowerRequires access
Analysis and calculation of allowable value for grounding resistance in substation
Zang Yuan-da
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Abstract
Through analyzing and calculating the allowable value for grounding resistance in 500kV substation in Changsha, this article expatiates a safe, reliable, and economic reasonable grounding design method which can evaluate whether grounding resistance is qualified, thus ensuring that grounding resistance satisfies the requirement of relevant specification.